#	Chain	Domain ID	Range	Family	Classification
1	A	e4k8rA2	A:61-152	Inhibitor_I9	304 → 304.7 → 304.7.1
2	B	e4k8rB1	B:153-436	Peptidase_S8	2499 → 2499.1 → 2499.1.1
3	B	e4k8rB2	B:605-682	PCSK9_C3	929 → 929.1 → 929.1.1
4	B	e4k8rB3	B:449-530	PCSK9_C1	929 → 929.1 → 929.1.1
5	B	e4k8rB5	B:531-604	PCSK9_C2	929 → 929.1 → 929.1.1
6	C	e4k8rC1	C:2-108	V-set	11 → 11.1 → 11.1.1
7	C	e4k8rC2	C:109-214	C1-set	11 → 11.1 → 11.1.1
8	D	e4k8rD1	D:1-128	V-set	11 → 11.1 → 11.1.1
9	D	e4k8rD2	D:129-229	C1-set	11 → 11.1 → 11.1.1
10	H	e4k8rH1	H:1-123	V-set	11 → 11.1 → 11.1.1
11	H	e4k8rH2	H:124-224	C1-set	11 → 11.1 → 11.1.1
12	L	e4k8rL1	L:1-112	V-set	11 → 11.1 → 11.1.1
13	L	e4k8rL2	L:113-214	C1-set	11 → 11.1 → 11.1.1

ECOD domains (colored by index)Unclassified protein regionsNucleic acids (RNA/DNA)Ligands/cofactors